Tools & Wizards About Us
photovoltaik.org screenshot

Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

photovoltaik.org

Photovoltaik: Technik, Kosten & Betrieb einfach erklärt

Page Load Speed

3.7 sec in total

First Response

330 ms

Resources Loaded

2.2 sec

Page Rendered

1.1 sec

photovoltaik.org screenshot

About Website

Visit photovoltaik.org now to see the best up-to-date Photovoltaik content for Germany and also check out these interesting facts you probably never knew about photovoltaik.org

Sie interessieren sich für eine Photovoltaik-Anlage oder betreiben bereits eine? photovoltaik.org ist das führende deutsche Fachportal zur eigenen Solarstromerzeugung!

Visit photovoltaik.org

Key Findings

We analyzed Photovoltaik.org page load time and found that the first response time was 330 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

photovoltaik.org performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

48/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value5.1 s

62/100

10%

TBT (Total Blocking Time)

Value540 ms

54/100

30%

CLS (Cumulative Layout Shift)

Value0.05

99/100

15%

TTI (Time to Interactive)

Value8.2 s

40/100

10%

Network Requests Diagram

photovoltaik.org

330 ms

photovoltaik.org

579 ms

all.css

214 ms

a_grundstyling.css

322 ms

photovoltaik.css

319 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 96% of them (52 requests) were addressed to the original Photovoltaik.org, 2% (1 request) were made to Hub.daa.net and 2% (1 request) were made to Pv.musterhaus.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Photovoltaik.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 113.9 kB (10%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images

In fact, the total size of Photovoltaik.org main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 66.5 kB

  • Original 83.5 kB
  • After minification 83.2 kB
  • After compression 17.0 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 66.5 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 47.4 kB

  • Original 1.1 MB
  • After minification 1.0 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Photovoltaik images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 17 (45%)

Requests Now

38

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Photovoltaik. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

photovoltaik.org

photovoltaik.org

330 ms

photovoltaik.org

photovoltaik.org

579 ms

all.css

all.css

214 ms

a_grundstyling.css

a_grundstyling.css

322 ms

photovoltaik.css

photovoltaik.css

319 ms

photovoltaik_Logo__LogoColor.svg

photovoltaik_Logo__LogoColor.svg

316 ms

photovoltaik_icons_fragezeichen-green.svg

photovoltaik_icons_fragezeichen-green.svg

382 ms

photovoltaik_icons_check-green.svg

photovoltaik_icons_check-green.svg

380 ms

photovoltaik_icons_einkaufswagen-green.svg

photovoltaik_icons_einkaufswagen-green.svg

379 ms

widget-icon-10_blue_green.svg

widget-icon-10_blue_green.svg

422 ms

widget-icon-11_blue_green.svg

widget-icon-11_blue_green.svg

423 ms

widget-icon-16_Blue_green.svg

widget-icon-16_Blue_green.svg

425 ms

widget-icon-10.2_blue_green.svg

widget-icon-10.2_blue_green.svg

426 ms

Photovoltaik-Aufbau_3xLoop.gif

Photovoltaik-Aufbau_3xLoop.gif

853 ms

hub.js

hub.js

113 ms

widget-v1.js

widget-v1.js

516 ms

all.js

all.js

544 ms

main.js

main.js

434 ms

Form.min.js

Form.min.js

541 ms

photovoltaik_icons_PfeilRechtsPunzeOben-yellow.svg

photovoltaik_icons_PfeilRechtsPunzeOben-yellow.svg

435 ms

csm_Teaser_PV-Anlage_07_409820e366.jpg

csm_Teaser_PV-Anlage_07_409820e366.jpg

439 ms

csm_Solarstrom_Eingesparte_CO2-Emissionen_Grafik_Dr_Stefan_Holzheu-Uni_Bayreuth_07dd1191e4.jpg

csm_Solarstrom_Eingesparte_CO2-Emissionen_Grafik_Dr_Stefan_Holzheu-Uni_Bayreuth_07dd1191e4.jpg

647 ms

csm_Teaser_PV-Anlage_18_38f76f68cd.jpg

csm_Teaser_PV-Anlage_18_38f76f68cd.jpg

649 ms

csm_Teaser_PV-Anlage_01_af42be6beb.jpg

csm_Teaser_PV-Anlage_01_af42be6beb.jpg

581 ms

csm_Eigenverbrauch_Stromspeicher_Voltfang_2ea4cb219a.jpg

csm_Eigenverbrauch_Stromspeicher_Voltfang_2ea4cb219a.jpg

651 ms

photovoltaik_icons_PfeilRechtsPunzeOben-green.svg

photovoltaik_icons_PfeilRechtsPunzeOben-green.svg

652 ms

photovoltaik_Logo__LogoWhite.svg

photovoltaik_Logo__LogoWhite.svg

665 ms

instagram-white.svg

instagram-white.svg

755 ms

facebook-white.svg

facebook-white.svg

757 ms

linkedin-white.svg

linkedin-white.svg

760 ms

twitter-white.svg

twitter-white.svg

761 ms

pinterest-white.svg

pinterest-white.svg

776 ms

testbg.png

testbg.png

734 ms

photovoltaik_Logo_icons_Sonne-yellow.svg

photovoltaik_Logo_icons_Sonne-yellow.svg

633 ms

photovoltaik_Logo_icons_Logo_Stahlen-green.svg

photovoltaik_Logo_icons_Logo_Stahlen-green.svg

635 ms

Teaser_PV-Anlage_01.jpg

Teaser_PV-Anlage_01.jpg

1055 ms

photovoltaik_icons_PfeilRechts-blue.svg

photovoltaik_icons_PfeilRechts-blue.svg

656 ms

photovoltaik_icons_PfeilRechts-yellow.svg

photovoltaik_icons_PfeilRechts-yellow.svg

724 ms

xing-white.svg

xing-white.svg

741 ms

arrow_white.svg

arrow_white.svg

743 ms

rajdhani-v15-latin-500.woff

rajdhani-v15-latin-500.woff

724 ms

rajdhani-v15-latin-regular.woff

rajdhani-v15-latin-regular.woff

789 ms

rajdhani-v15-latin-300.woff

rajdhani-v15-latin-300.woff

805 ms

rajdhani-v15-latin-600.woff

rajdhani-v15-latin-600.woff

805 ms

rajdhani-v15-latin-700.woff

rajdhani-v15-latin-700.woff

813 ms

exo-v20-latin-regular.woff

exo-v20-latin-regular.woff

836 ms

exo-v20-latin-500.woff

exo-v20-latin-500.woff

898 ms

exo-v20-latin-300.woff

exo-v20-latin-300.woff

864 ms

exo-v20-latin-200.woff

exo-v20-latin-200.woff

879 ms

exo-v20-latin-100.woff

exo-v20-latin-100.woff

878 ms

exo-v20-latin-600.woff

exo-v20-latin-600.woff

900 ms

exo-v20-latin-700.woff

exo-v20-latin-700.woff

857 ms

exo-v20-latin-800.woff

exo-v20-latin-800.woff

863 ms

exo-v20-latin-900.woff

exo-v20-latin-900.woff

876 ms

Accessibility Review

photovoltaik.org accessibility score

75

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

photovoltaik.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

photovoltaik.org SEO score

89

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Photovoltaik.org can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Photovoltaik.org main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

photovoltaik.org

Open Graph data is detected on the main page of Photovoltaik. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: